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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. To remove/separate testicles from animal's body before animal reaches puberty






2. 114 days






3. 30-38 hours after estrus cycle begins






4. 10-37 (21) days






5. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






6. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






7. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






8. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge






9. Help to signal hormone levels which we need both in the brain right next to each other.






10. 4-6 days






11. What helps regulate spermatogenesis?






12. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






13. Look for infection - split - and rupture of the penis






14. Failure to have both testis (gonads) descend






15. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






16. ~305 days (altough often longer due to breeding difficulties)






17. 4-6 days






18. Start of the reproductive tract for the female. located outside of the body






19. Failure to have one testis (gonad) to descend






20. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






21. Prevent the cow from getting an infection from the calve






22. (male) pushes the testes outward toward the legs for a cool-down off of the body






23. Male on one pin and female on other side






24. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract






25. 19-23 (21) days






26. What helps regulate spermatogenesis?






27. Larger the cow - more milk is produced; smaller the cow - less milk is produced






28. When are dairy cattle dehorned?






29. Largest dairy cow - largest udder - highly vascular - eat 40-50% dry matter (eat alot) - most total butterfat






30. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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31. Animal which has been castrated after puberty






32. 10-37 (21) days






33. Animal which has been castrated after puberty






34. Urinary calculi.






35. 26 hours after estrus begins






36. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






37. 24 hours before end of estrus cycle






38. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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39. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






40. 2 month growth cycle. stored in the epididymis of the bull






41. ~60 days before calving






42. (male) pushes the testes outward toward the legs for a cool-down off of the body






43. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






44. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






45. 1. brain function - 2. blood flow - 3. willing female






46. Why Dairy calves are fed powdered milk.






47. 114 days






48. Can survive ~7 days in cow. vast majority <48 hours






49. Check feet and legs - look for masculine traits in build such as crest and muscling






50. Implies the amount of estrogen production







Sorry!:) No result found.

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